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Erschienen in: Journal of Materials Engineering and Performance 11/2012

01.11.2012

Microstructural Evolution Under Low Shear Rates During Rheo Processing of LM25 Alloy

verfasst von: Sunitha Jallepalli Satya, Vivek Kumar, Nilam S. Barekar, Koushik Biswas, Brij K. Dhindaw

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 11/2012

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Abstract

Microstructural features of LM25 alloy processed by two different routes: (1) conventional casting, and (2) shear casting based on inclined heated surface are studied. The microstructures of the primary phase for the shear-cast samples show rosette or ellipsoidal morphologies. Heat transfer of contacting melt with the inclined tube surface and shear stress exerted on the layers of the melt as result of gravitational force are crucial parameters for the microstructural evolution. Compared to those produced by conventional casting, shear-cast samples have a much improved tensile strength and ductility due to globular microstructure.

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Metadaten
Titel
Microstructural Evolution Under Low Shear Rates During Rheo Processing of LM25 Alloy
verfasst von
Sunitha Jallepalli Satya
Vivek Kumar
Nilam S. Barekar
Koushik Biswas
Brij K. Dhindaw
Publikationsdatum
01.11.2012
Verlag
Springer US
Erschienen in
Journal of Materials Engineering and Performance / Ausgabe 11/2012
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-012-0166-7

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